Mold for brick and building blocks



Patented May 25, 1926.

UNITED STATES PATENT QFFMJE.`

WEAVER DIEHL AND OSCAR EGEMO, OF RAPID CITY, ,SOUTH DAKOTA.

MOLD FOR BRICK AND BUILDNG BLOCKS.

Application filed March 25, 1925. Serial No. 18,419.

Our invention relates to molds or devices -or molding bricks :ind art-incisi stone blocks of various sizes und description, and the object is to provide en improved mold ol said clnss.

ln the eccoinpanyingv drawings:

Fig. l is' e top or plzin view oil our new molding' device. Fig. 2 is a, side elevation voii the device es used in duplicate one mold upon `another in moldingr locks twice the size of the ordinary blocks. Fic'. 3 is ii portion ot' one of the lower vertical partitions in the mold and Fig. L is u. portion oi one or' the upper partitions crossing the lower ones.

Referring` to the drawing merels; 5 designates a, table or work bench upon which the mold may be used and as soon as lilled moved aside to dry its contents und leave rooiu for another inold to be iilled.

In most cases it will be preferable to sup port the niold on e plete to which may have dowel pins 7 project-ing upward into some parts ot' the mold to hold it in place and its pai-ts in i'ectziiiguliir position to euch other.

rlhe inold in its single forni is composed of zi series of lint vertically disposed pui'- titions or bars A. having upwardly facing' notches 8, :ind u series oi similar 'hit bers B having inverted notches 9 in which to receive' the ii'iulrgins l() of bars A, while the notches 3 receive the margins like ll in Fig. i o'l the upper bers B.

The upper bars B have their ends formed with not-ches producing shoulders 12 under which u. suitable lever 13 muy engage in starting the bars' B upward in removing' them after theforined blocks or bricks have been formed und dried in the spaces orcells 14,

byy reference nuf in the operation, if but ordinary bricks,

gated flut form are cells il und let ity dry.

tiles or other buildingr blocks ol the elonto be made thoflower heli' or section of Fig. 2 is employed by fill. ingr the concrete or other material into the Or to ecoiioniife on we remove the plete 6 and place just two 'mold sections one on top of the other `.ind

till in the materiel and let it dry, and then remove the bars B and therezit'ter bers A oi the upper section and then likewise the bers or' the lower section and we here a. dozen or in v other desired number of b liclrs or building blocks or' liet structure and npproxinietely :is wide as they are long', which is often very desirable in forming structures of blocks, especially where corners of 'the block or briclis are to! project out. iior ornamental purposes.'

lllihut we claim is:

mold of the class described, composed 'oi' two sections of similar size and forni,

und ineens for holding said sections one .upon the top of the other; each section lieviiig e series of cellsto be filled from above, und u.` removable baise board, the upper one of which covers Jche entire top of the lower section sind is adapted to be removed when the two sections are used ytogether for moldinc; blocks double, the size molded b v euch Iindividual section.

ln testimony whereof we ailix our sig/{nii-r tures.

WEAVERDIEHL. osoAR EGEMO. 

